WO2011114156A2 - Procédé et appareil pour générer de la puissance à partir d'un écoulement de courant - Google Patents

Procédé et appareil pour générer de la puissance à partir d'un écoulement de courant Download PDF

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Publication number
WO2011114156A2
WO2011114156A2 PCT/GB2011/050524 GB2011050524W WO2011114156A2 WO 2011114156 A2 WO2011114156 A2 WO 2011114156A2 GB 2011050524 W GB2011050524 W GB 2011050524W WO 2011114156 A2 WO2011114156 A2 WO 2011114156A2
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WO
WIPO (PCT)
Prior art keywords
water
pipes
module
flow
modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB2011/050524
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English (en)
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WO2011114156A3 (fr
Inventor
Peter Roberts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Verderg Ltd
Original Assignee
Verderg Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Verderg Ltd filed Critical Verderg Ltd
Publication of WO2011114156A2 publication Critical patent/WO2011114156A2/fr
Publication of WO2011114156A3 publication Critical patent/WO2011114156A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/60—Fluid transfer
    • F05B2260/601—Fluid transfer using an ejector or a jet pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • This invention relates to systems and methods for converting tidal or current energy in a body of flowing water into electricity.
  • the invention provides a system and method for generating electricity using current flow in a body of water.
  • Offshore barrages have been proposed to concentrate the incidental energy of a large cross section of water flow by trapping the flow behind a containing wall and funnelling it through turbines of much smaller cross sectional area, as in a conventional dam.
  • Such systems typically across estuary or large rivers, are expensive and can be environmentally disruptive due to the damming of the river significantly increasing the minimum river level behind the installed barrage, thus permanently inundating what may be important wildlife habitats.
  • the invention seeks to overcome some of the disadvantages outlined above.
  • the invention seeks to provide a system that is capable of generating electricity while minimising the environmental impact from the system.
  • a first aspect of the invention provides a method of installing a series of
  • each structure being formed from at least one module, each module comprising a manifold structure carrying a planar array of pipe structures, each pipe provided with a series of holes spaced along its length and being in a spaced, side-by-side arrangement such that a venturi is defined between the opposing walls of adjacent pipes, the method comprising:
  • the structures can be installed across the entire width of the body of water.
  • Each structure may be formed from a series of structures modules.
  • the method may comprise positioning a first series of modules across the body of the water to form the first structure and positioning a second series of modules across the body of water to form the second structure.
  • the method can further comprise positioning a third module across the body of water to form a third structure substantially perpendicular to the direction of tidal or current flow, the third structure spaced apart and upstream from the first and second structures. Further structures can be installed along the body of water upstream and/or downstream of the existing structures as necessary.
  • the length of the pipes used, and the size of the system may be varied and will depend upon factors such the range of depth the system is to be used over, the desired use, the depth of water concerned and the current flow within the water.
  • the system may extend over a range of tens of meters to several hundreds of metres and can depend on the width of the body water the system is to be installed.
  • the body of water can be a river and the modules are positioned across the width of the river.
  • the method can comprise floating each module into position on the body of water and lowering it into position by controlled flooding of a self buoyant mechanism of the module.
  • the method can comprise allowing partial flooding of the self buoyant
  • the method can comprise positioning each module such that the lower end of the module extends to the river bed.
  • the modules are positioned in the body of water such that there is an increase in water depth behind each structure.
  • a second aspect of the invention provides a system for generating electricity, the system having been installed by the method according to the first aspect, the system comprising:
  • each structure comprises a series of modules and each module comprises:
  • each pipe provided with a series of holes spaced along its length and wherein the pipes are in a spaced, side-by-side arrangement such that a venturi section is defined between the walls at or near the holes such that flow of water through the venturi section causes water to be drawn through the pipe and out via the holes, the resulting flow driving the turbine.
  • the array of pipes preferably comprises pipes arranged substantially vertically and connected at their lower ends to the manifold structure arranged
  • the pipes are arranged substantially horizontally and are connected to the manifold structure arranged substantially vertically.
  • the pipes have may have an upstream side and a downstream side
  • the pipes may have a tapered cross-sectional profile.
  • the pipes may taper at the downstream side such that opposing walls of adjacent tapering pipes define a venturi section and a first diffuser section extending downstream from the venturi section.
  • the cross-sectional profiles of the upstream and downstream sides may be similar or substantially different. [0019] Cross-sectional profiles of the pipes include hexagonal and elliptical shapes.
  • the system may comprise a buoyancy means in order to control or vary the buoyancy of the system and for example to raise or lower its depth in the water.
  • the buoyancy means may be a self buoyant mechanism provided in a section of the pipes and may be provided at the downstream side.
  • the buoyancy means may be an airtight chamber into which air may be introduced or removed.
  • the buoyancy means may comprise a low or high density material to respectively raise or lower the system in the water. The extent of submersion of the system may thus be controlled.
  • the system may be
  • the invention provides in a third aspect the use of a system according to the second aspect for generating electricity.
  • the system is a Spectral Marine Energy Converter (SMEC).
  • SMEC Spectral Marine Energy Converter
  • Figure 1 shows a bird's eye view of structures installed along the length of a body of water
  • Figure 2 shows a side view of structures installed along the length of a body of water
  • Figure 3 shows an embodiment of SMEC tubes which are aligned in a series to form a structure across a current flow that can be used according to the invention
  • Figure 4 shows schematic profiles of an array of pipes for use with the invention
  • FIGS. 5-10 show schematic profiles of pipes for use in unidirectional flow according to the invention.
  • Figures 1 1 and 12 shows profiles of pipes for use in bidirectional flow according to the invention
  • Figure 13 shows one embodiment of a module for use in the invention
  • Figure 14 shows a side view of pipes in different water levels
  • Figure 15 shows a schematic of a structure installed across part of the width of a body of the water
  • Figure 16 shows a side view of Figure 15
  • Figure 17 shows a schematic of a structure having a gap, installed across a body of water.
  • the invention is based on SMEC technology which uses the current or tidal flow to generate electricity.
  • SMEC technology which uses the current or tidal flow to generate electricity.
  • One type of such technology is broadly disclosed in WO2008/015047 which describes apparatus for generating electricity using tidal, wave or current flow in a boy of water. The apparatus described in
  • WO2008/015047 comprises an arrangement of first and second pipes, each first pipe being provided with a series of holes spaced along its length, and the first pipes being arranged relative to the second pipes such that a venturi is defined between the walls of adjacent first and second pipes near the holes.
  • a flow conduit is provided having an inlet and an outlet with a turbine located in the flow conduit; a generator is connected to the turbine. Water from the body of water can enter the flow conduit via the inlet, and the first pipes are connected to the outlet of the flow conduit such that flow of water past the arrangement of first and second pipes causes the first pipes to act as venturi pumps inducing flow from the inside of the first pipes through the holes so as to draw water through the flow conduit and drive the turbine.
  • the basic principle of the invention is to install a series of structures 10, each formed from one or more SMEC modules, along the length of the river 12 or other body of water. Each structure is positioned across the width of the river perpendicular to the flow 12 of the water.
  • the SMEC modules forming the structures are capable of generating electricity from the current flow by driving turbine units.
  • Each structure comprises a series of modules connected together to form a fence across the body of water.
  • Each module comprises a series of pipes, through which the water from the river flows between as it flows downstream, and a turbine connected to a generator which is driven by the water flow through the module.
  • FIG. 2 shows a general view of the SMEC structures in operation, with three structures 10 positioned along the length of the river 14. Further structures can be installed as required.
  • the SMEC structure forms an obstruction to the water as it flows down the river and a slight increase in river level will occur behind the SMEC. This increase in the river depth is the low head driver of the device. As the free board elevation formed behind each structure is minimal compared to complete damming of a river, the up-stream environmental impact is less damaging.
  • the distance the structures are spaced apart will play a part in determining the ultimate increase in river level upstream of the array of structures.
  • the distance between each structure will depend on the environment in which it is installed.
  • the distance between the structures can vary depending on the contours of the land the rivers flow over.
  • the distance between each structure can be sufficient such that the flow level of the river where an upstream structure is to be positioned is substantially unaffected by any down stream SMEC. If the structures are spaced sufficiently apart the river level upstream of the structures will reach its original level, despite the localised increase in head immediately behind each structure.
  • the heights of the pipes are selected to suit the depth of the river where the structure is to be installed.
  • the length of the pipes will be of a length such that the modules will extend down to the river bed to minimise by-pass flow.
  • the SMEC module may also comprise a self-buoyant mechanism, to help
  • the self buoyant mechanism allows the module to stay substantially submerged as the water level rises and falls.
  • the structure can be formed from any suitable SMEC system such as that
  • each structure is formed from modules such as that described in copending application PCT/GB201 1/050523 entitled 'Apparatus for generating power from fluid flow' filed 16 March 201 1 in the name of VerdErg Ltd, which is incorporated herein by reference.
  • FIG. 3 shows one embodiment of part of a module that can be used to form the structure.
  • a series of pipes 20 forms a module which is set across a current flow 14.
  • the arrangement comprises an array of pipes 20 arranged in a parallel spaced side-by-side arrangement in essentially the same plane with a venturi defined between adjacent pipes 20.
  • Each pipe 20 has a holes 30 spaced along the length of the pipe.
  • the lower ends of the pipe are connected to a common horizontal manifold structure 34 which is connected to a flow conduit housing a turbine 36.
  • the turbine 36 is connected to a generator.
  • a head drop from the upstream water surface head to the downstream water level occurs as current flows between the pipes 20 and power is extracted. As the current flows through the venturi between the pipes an amplified head loss occurs in the venturi. This induces a flow of water 28 out through the holes 30. This amplified head drop across the pipes, flow conduit and turbine induces a low volume, high velocity secondary flow 32 through the manifold 34. The secondary flow 32 drives the turbine 36 located in the inlet of the manifold which is connected to a generator.
  • the number, shape and arrangement of holes can vary.
  • the pipes can have any suitable opening into the flow passage including holes, slots and continuous slots.
  • each pipe 42 forming the array can comprises an upstream side 44 and a tapered downstream side 46.
  • a flow passage 48 is positioned between the sides.
  • a series of holes or slots 50 are formed along the length of the flow passage.
  • Adjacent pipes are positioned such that a venturi section 52 and a diffuser section 54 is formed between opposing walls of adjacent pipes.
  • the downstream side 46 can be closed off from the upstream end and can include a buoyancy section 56. Controlled flooding of the buoyancy section can help in positioning the structure in the body of water.
  • the primary flow 58 accelerates into the venturi section between the pipes and flows through the venturi section 52 and then decelerates out of the venturi between the faces of the pipes that form the diffuser section. As the pressure outside the holes 50 is reduced, this induces a secondary flow 60 of water from the pipes out through the holes.
  • FIG. 5-12 shows details of other arrangement of pipes that can be used to form the modules of the structure.
  • Figures 5-10 shows the profiles of pipes for use in unidirectional flow.
  • Each pipe 42 forming the array can comprises an upstream side 44 and a tapered downstream side 46 with a flow passage 48 positioned between the ends.
  • a series of holes or slots 50 are formed along the length of the flow passage.
  • the tapered downstream side allows a diffuser section to be formed between adjacent pipes. Bracing 62 and struts can help strengthen the pipes.
  • Figures 1 1 and 12 show cross sectional profiles of pipes that can be used in bidirectional flows.
  • the pipes comprise a tapered upstream side 44 and a tapered downstream side 46 to form two diffuser sections 54, 58.
  • the symmetrical shape of the pipes such as ellipsoidal and hexagonal, allows the entrance throat to become the diffuser section 58 when the flow 58a is reversed 58b.
  • each module can comprises an array of pipes 20
  • each pipe comprises a tapered side, a flow passage and a row of holes spaced along the length of the pipe. Adjacent pipes are positioned such that a venturi section and a diffuser section are formed between adjacent pipes. Flow of water 16 between the pipes causes a reduction of pressure in the venturi which draws water 28 out of the pipes through the holes 30. Consequently, water 32 is drawn through the flow conduit and into the manifold, driving the turbine 36 and hence powering the generator.
  • a module can comprise pipes arranged substantially horizontally as shown in Figure 13.
  • the horizontal pipes 70 are arranged in a parallel spaced side-by-side array in essentially the same plane such that a venturi and a diffuser section is defined between adjacent pipes.
  • the pipes are provided with a series of holes 72 spaced along its length.
  • the pipes 70 extend between vertical manifold pipes 74, the interior of the pipes communicating with the interior of the vertical manifold.
  • the vertical manifold pipe 74 is connected to a flow conduit 76 housing a turbine 78 connected to the drive shaft to drive a generator.
  • the method of installing the structures can vary depending on the type of
  • Methods can include floating the modules into position on the body of water, lowering the modules into position by controlled flooding of a self buoyant mechanism of the modules and/or lowering into position by cranes or other lifting apparatuses.
  • the modules can be installed to be moveable within the body of water.
  • the modules can comprise a buoyancy section 92 or external float, which keeps the top of the pipe 20 at the water surface level 94. As the water level 94 falls the SMEC can roll on the river bed 96 such that the holes 30 of the pipes 20 and the module will stay substantially submerged as the water level rises and falls.
  • first structure Once a first structure has been positioned in the river, further structures can be positioned across the river upstream and/or downstream of the first structure.
  • the number of structures that are installed will depend on the environment and the amount of electricity that is required to be generated.
  • Locks can be incorporated into the SMEC structures as for a conventional barrage to permit passage of shipping.
  • Gaps can be incorporated into the SMEC structure to permit passage of water craft, fish or marine mammals up and down the river.
  • Partial obstruction of the flow as with an artificial island or closed lock gates can function to increase the flow rate and guide the flow through the SMEC resulting in enhanced flow velocity and enhanced electricity generation.
  • the structure 80 are installed only partially across the width of the water 82.
  • a surface 84 can be attached to the free end of the structure extending at right angles upstream of the structure 80. The surface can help direct water through the pipes 86 and minimise flow around the edge.
  • the inlet 88 for the secondary flow 90 can be located at the free edges to encourage the primary flow to pass between the pipes 86 rather than around the free edges.
  • a SMEC structure 80 is installed substantially across the full width of the water 82, with a gap 98 part-way across in which an inlet comprising a turbine 100 is located.
  • a surface 84 is attached to each of the free ends of the modules on either side of the gap 98 to help inhibit by pass flow, while still maintaining an open passage in the structure. Secondary flow 90 through the turbine accommodates head drop across the SMEC.
  • This system is particularly applicable for inland river systems, when coastal currents and tidal forces are not available to harness the energy from.
  • the SMEC modules do not rely on the tidal height range, and rely on the volumetric inflow and outflow. This makes the SMEC particularly suitable in bodies of water where there is a large volume water which is not necessarily flowing at high velocity, for example rivers having significant depth or width.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne un procédé d'installation d'une série de structures au niveau d'une étendue d'eau vive pour générer de l'électricité à partir de l'écoulement de courant. Chaque structure est formée d'au moins un module qui comprend une structure de collecteur portant un réseau plan de structures de tuyaux, chaque tuyau étant pourvu d'une série d'orifices espacés sur sa longueur et disposés suivant un agencement en juxtaposition de sorte qu'un venturi est défini entre les parois de tuyaux adjacents. Le procédé consiste à: positionner un premier module au niveau de l'étendue d'eau pour former une première structure sensiblement perpendiculaire au sens de l'écoulement de courant, - positionner un second module au niveau de l'étendue d'eau pour former une seconde structure sensiblement perpendiculaire au sens de l'écoulement de courant, espacée et en amont de la première structure.
PCT/GB2011/050524 2010-03-16 2011-03-16 Procédé et appareil pour générer de la puissance à partir d'un écoulement de courant Ceased WO2011114156A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1004347.9 2010-03-16
GB1004347A GB2478743A (en) 2010-03-16 2010-03-16 Series of venturi pump water power generators

Publications (2)

Publication Number Publication Date
WO2011114156A2 true WO2011114156A2 (fr) 2011-09-22
WO2011114156A3 WO2011114156A3 (fr) 2012-03-08

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ID=42261655

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PCT/GB2011/050524 Ceased WO2011114156A2 (fr) 2010-03-16 2011-03-16 Procédé et appareil pour générer de la puissance à partir d'un écoulement de courant

Country Status (2)

Country Link
GB (1) GB2478743A (fr)
WO (1) WO2011114156A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015520329A (ja) * 2012-06-20 2015-07-16 ヴァーダーグ リミテッド 流体流れによるエネルギーを変換する装置
US10876513B2 (en) 2014-04-02 2020-12-29 Verderg Ltd Turbine assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101761173B1 (ko) 2010-03-16 2017-08-04 베르드에르그 리미티드 유체 흐름을 이용한 전력 생산 장치
GB2543262A (en) * 2015-10-07 2017-04-19 Penfold William Turbine system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816942A (en) 1956-04-11 1959-07-22 Spanner Boilers Ltd Improvements in and relating to two-way or diversion fluid control valves
WO2008015047A1 (fr) 2006-08-03 2008-02-07 Verderg Engineering Ltd Appareil de conversion de l'énergie due au mouvement des vagues ou des courants à l'aide de tuyaux jouant le rôle de pompes venturi

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Publication number Priority date Publication date Assignee Title
US5709419A (en) * 1994-02-03 1998-01-20 Roskey; John E. Wind energy collection
NL1013205C2 (nl) * 1999-10-04 2001-04-05 G & L Exclusives B V Werkwijze en inrichting voor het benutten van windenergie en elektriciteit opgewekt door het toepassen van de werkwijze of de inrichting.
US6955049B2 (en) * 2003-05-29 2005-10-18 Krouse Wayne F Machine and system for power generation through movement of water
GB2443195B8 (en) * 2006-08-03 2010-05-05 Verderg Ltd Apparatus for converting energy from wave or current flows
GB2463504B (en) * 2008-09-16 2011-02-16 Verderg Ltd Method and apparatus for installing tidal barrages

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816942A (en) 1956-04-11 1959-07-22 Spanner Boilers Ltd Improvements in and relating to two-way or diversion fluid control valves
WO2008015047A1 (fr) 2006-08-03 2008-02-07 Verderg Engineering Ltd Appareil de conversion de l'énergie due au mouvement des vagues ou des courants à l'aide de tuyaux jouant le rôle de pompes venturi

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015520329A (ja) * 2012-06-20 2015-07-16 ヴァーダーグ リミテッド 流体流れによるエネルギーを変換する装置
US9752549B2 (en) 2012-06-20 2017-09-05 Verderg Ltd Apparatus for converting energy from fluid flow
CN104487702B (zh) * 2012-06-20 2020-11-10 维德格有限公司 用于转换流体流动的能量的设备
US10876513B2 (en) 2014-04-02 2020-12-29 Verderg Ltd Turbine assembly

Also Published As

Publication number Publication date
GB201004347D0 (en) 2010-04-28
WO2011114156A3 (fr) 2012-03-08
GB2478743A (en) 2011-09-21

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